557497 has 4 divisors (see below), whose sum is σ = 581760. Its totient is φ = 533236.

The previous prime is 557489. The next prime is 557519. The reversal of 557497 is 794755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557497 - 2³ = 557489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12097 + ... + 12142.

It is an arithmetic number, because the mean of its divisors is an integer number (145440).

2⁵⁵⁷⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

557497 is a deficient number, since it is larger than the sum of its proper divisors (24263).

557497 is a wasteful number, since it uses less digits than its factorization.

557497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24262.

The product of its digits is 44100, while the sum is 37.

The square root of 557497 is about 746.6572172021. The cubic root of 557497 is about 82.3027180871.

It can be divided in two parts, 5574 and 97, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 557497 in words is "five hundred fifty-seven thousand, four hundred ninety-seven".